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MIDAS 4, 192

Orbit data source: Space-Track

MIDAS 4, 192 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Sat, 21 Oct 1961 UTC via an ATLAS AGENA B launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Iframe URL

https://www.satcat.com/sats-embedded/192?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

192, 1961-028A

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

LMSC

Mission

Spacecraft

Bus & Motor

MIDAS, Unknown motor

Mass

~1,540 kg wet, 840 kg dry

Launch date (UTC)

1961-10-21 (65 years ago)

Launch vehicle

ATLAS AGENA B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 MIDAS 4
1   192U 61028A   26127.67681339 -.00000009  00000-0 -23223-2 0  9995
2   192  95.8487 215.0977 0134936   7.6145 352.6720  8.67768469 44649

Epoch: 2026-05-07T16:14Z

TLE epoch observation values (Epoch: 2026-05-07T16:14:36.676Z)

Latitude

-0.00001°

Longitude

105.92536°

Altitude

3,493.212 km

Speed

6.398 km/s

True Right ascension

14h 20m 23s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

09:09:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,757.738 km

Perigee altitude

3,487.841 km

Semi-major axis

10,000.927 km

Eccentricity

0.01349

Inclination

95.8487°

RAAN

215.0977°

Arg. of periapsis

7.6145°

True anomaly

352.47142°

Mean anomaly

352.672°

Eccentric anomaly

352.57205°

Mean motion

2.17012 °/min

Orbital period

165.89 mins

BSTAR

-0.0023223

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Other satellites on launch #28 in the year 1961 (1961-10-21 UTC)

MIDAS 4 DEB (NOSECONE), 193 (Decayed)

MIDAS 4 DEB, 2009

MIDAS 4 DEB, 45467

MIDAS 4 DEB, 195

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MIDAS 4 Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
28 mins	2026-05-08 03:27:40.789Z	107.759° ESE	2026-05-08 03:41:40.789Z	52.472° ENE	28.297°	2026-05-08 03:55:40.789Z	359.67° N
34 mins	2026-05-08 06:05:40.789Z	175.763° S	2026-05-08 06:22:40.789Z	274.402° WNW	44.183°	2026-05-08 06:39:40.789Z	349.02° N
16 mins	2026-05-08 09:02:40.789Z	264.404° W	2026-05-08 09:09:40.789Z	290.087° WNW	14.828°	2026-05-08 09:18:40.789Z	322.423° NNW
20 mins	2026-05-08 15:15:40.789Z	36.684° NE	2026-05-08 15:25:40.789Z	71.693° E	16.362°	2026-05-08 15:35:40.789Z	105.895° ESE
36 mins	2026-05-08 17:55:40.789Z	11.407° NNE	2026-05-08 18:12:40.789Z	96.598° ESE	44.417°	2026-05-08 18:31:40.789Z	186.363° SSW
28 mins	2026-05-08 20:39:40.789Z	358.338° N	2026-05-08 20:53:40.789Z	304.335° NW	28.556°	2026-05-08 21:07:40.789Z	253.012° W

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out MIDAS 4, 192 on other resources

View MIDAS 4, 192 on NASA - NSSDCA Website

View MIDAS 4, 192 on Heavens-Above

View MIDAS 4, 192 on Keep Track

View MIDAS 4, 192 on Celestrak

View MIDAS 4, 192 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

MIDAS 4, 192

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-05-07T16:14:36.676Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #28 in the year 1961 (1961-10-21 UTC)

MIDAS 4 Visibility forecast

Co-orbital & Co-planar RSOs

Check out MIDAS 4, 192 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago